CN-122007512-A - Floating deburring device

CN122007512ACN 122007512 ACN122007512 ACN 122007512ACN-122007512-A

Abstract

The invention relates to the technical field of deburring and discloses a floating deburring device which comprises a shell and a floating assembly, wherein the floating assembly comprises a floating ring, a guide ring and a floating seat, the guide ring and the floating ring are coaxially arranged in the shell, the floating ring is positioned at the inner side of the guide ring and can float relative to the guide ring, one end of the floating seat extends into the floating ring to be fixedly connected with the floating ring, the other end of the floating seat extends to the outer side of the shell, a plurality of axially extending piston cavities are circumferentially and alternately distributed on the floating ring, each piston cavity is internally provided with a piston capable of axially sliding, one end of the piston extends out of the piston cavity to be in contact with the shell, an axially extending airflow channel is arranged on the floating seat, one end of the airflow channel is communicated with the piston cavity, and the other end of the airflow channel is used for being connected with an external air source. Under the same pressure of compressed gas, no matter what floating position the floating ring is in relative to the guide ring, the effective acting force is kept consistent, and the stable floating of the floating deburring device is ensured.

Inventors

CHEN YUEJUN
ZHENG YUANJIAN
WU JIAHUI

Assignees

广州太威机械有限公司

Dates

Publication Date: 20260512
Application Date: 20260414

Claims (10)

1. A floating deburring device, characterized by comprising the following steps: A housing; the floating assembly comprises a floating ring, a guide ring and a floating seat which are arranged in the shell, wherein the guide ring and the floating ring are coaxially arranged, the floating ring is positioned at the inner side of the guide ring and can float relative to the guide ring, and one end of the floating seat extends into the floating ring to be fixedly connected with the floating ring; The floating ring is circumferentially and alternately provided with a plurality of axially extending piston cavities, each piston cavity is internally provided with a piston capable of axially sliding, one end of each piston extends out of the piston cavity to be in rolling contact with the shell, the floating seat is provided with an axially extending air flow channel, one end of each air flow channel is communicated with the piston cavity, and the other end of each air flow channel is used for being connected with an external air source; When compressed gas is introduced into the gas flow channel, the piston is driven to axially slide so as to drive the floating ring to float relative to the guide ring.
2. The floating deburring device of claim 1, wherein a floating air chamber is defined between said floating mount and said floating ring, said floating air chamber being in communication with said air flow passage, said floating ring being circumferentially provided with an annular passage for communicating a plurality of said piston chambers with said floating air chamber.
3. The floating deburring device as set forth in claim 2, further comprising an upper limit flange and an air pipe, said upper limit flange being mounted at one end of said housing remote from said guide ring, and said upper limit flange having an air inlet passage, said air inlet and outlet of said air inlet passage being connected with an air inlet nozzle and a first air passage connector, respectively, said air flow passage being connected with a second air passage connector at one end remote from said guide ring, said air pipe having opposite ends communicating with said first and second air passage connectors, respectively, for passing compressed air passing into said air inlet passage to said air flow passage.
4. The floating deburring device according to claim 3, wherein an end of said housing remote from said guide ring is provided with an abutment portion extending radially thereof, said abutment portion being disposed opposite to an end face of said floating ring, and an end of said piston extending outside said piston chamber is in rolling contact with said abutment portion.
5. The floating deburring device as set forth in claim 4, wherein said abutment portions are circumferentially distributed with ball cavities in one-to-one correspondence with a plurality of said pistons, each of said ball cavities having a ball mounted therein in contact with an end of a corresponding said piston extending outside said piston cavity.
6. The floating deburring device according to claim 5, wherein a connecting portion is circumferentially provided at a portion of said floating seat located outside said floating ring, said connecting portion being fitted to and fixedly connected with an end surface of said floating ring, and an end of said piston extending outside said piston chamber passes through said connecting portion; the floating deburring device further comprises a plurality of first elastic pieces, the first elastic pieces are circumferentially distributed between the floating ring and the abutting portion at intervals, one end of each first elastic piece penetrates through the connecting portion to be contained in the floating ring, and the other end of each first elastic piece penetrates through the connecting portion to be abutted against the surface of the upper limiting flange.
7. The floating deburring device of claim 6, further comprising a lower limiting flange mounted to an end of said guide ring remote from said housing, and a plurality of second resilient members circumferentially disposed between said floating ring and said lower limiting flange, one end of each of said second resilient members being received within said floating ring and the other end thereof being in abutment with said lower limiting flange.
8. The floating deburring device as claimed in claim 7, wherein said floating ring has a first mounting cavity penetrating an upper end surface thereof, said upper limit flange is provided with a second mounting cavity corresponding to said first mounting cavity, one end of said first elastic member is mounted in said first mounting cavity, and the other end is mounted in said second mounting cavity, and/or, The floating ring is provided with a third installation cavity penetrating through the lower end face of the floating ring, the lower limit flange is provided with a fourth installation cavity corresponding to the third installation cavity, one end of the second elastic piece is installed in the third installation cavity, and the other end of the second elastic piece is installed in the fourth installation cavity.
9. The floating deburring device as set forth in claim 1, wherein a groove is provided in a portion of said piston located in said piston chamber, a seal ring is installed in said groove, and an outer peripheral surface of said seal ring is closely fitted to a chamber wall of said piston chamber.
10. The floating deburring apparatus of claim 1, wherein said floating assembly further comprises a floating ball, said floating ring having a peripheral surface provided with floating grooves circumferentially, said guide ring having guide grooves circumferentially spaced apart axially extending from an inner wall thereof, said floating ball being disposed within said floating groove, and a portion of said floating ball being slidably disposed within said guide groove.

Description

Floating deburring device Technical Field The invention relates to the technical field of deburring, in particular to a floating deburring device. Background In the field of machining, after parts are machined through working procedures such as cutting, die casting and injection molding, burrs are easily generated at edges, hole sites and the like of the parts, the surface precision and the assembly performance of the parts can be affected by the existence of the burrs, and the problems such as abrasion and clamping stagnation can be caused in the subsequent use process, so that the deburring is an indispensable key working procedure in machining. The floating deburring device has the advantages of self-adapting to the contour error of a workpiece, avoiding rigid impact of a cutter and the workpiece and realizing flexible cutting, is widely applied to the scenes such as automatic deburring of robots, flexible machining of numerical control machining centers and the like, and becomes core equipment for improving deburring efficiency and machining quality. In the existing floating deburring device, a floating function is realized in a pneumatic driving mode, a piston is generally fixedly arranged on a shell or a base, and a floating assembly is pushed by the piston to carry out floating adjustment so as to compensate the position deviation between a cutter and a workpiece. However, the floating ring of the floating assembly is directly matched with the guide ring, the piston is usually arranged on the shell and acts on the floating ring, and because the installation position of the piston is fixed, when the floating ring is subjected to floating deflection relative to the guide ring, the acting force direction of the piston to the floating ring can be deflected, and effective acting force can not be always applied along the stress direction of the floating ring, so that under the same compressed gas pressure, the effective acting force applied to the floating ring is inconsistent at different floating positions and different deflection angles, the floating stability of the floating assembly is poor, and uniform force output can not be realized. Disclosure of Invention In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a floating deburring device. The application provides a floating deburring device, comprising: A housing; The floating assembly comprises a floating ring, a guide ring and a floating seat which are arranged in the shell, the guide ring and the floating ring are coaxially arranged, the floating ring is positioned at the inner side of the guide ring and can float relative to the guide ring, one end of the floating seat extends into the floating ring to be fixedly connected with the floating ring, and the other end of the floating seat extends to the outer side of the shell; The floating ring is circumferentially and alternately provided with a plurality of axially extending piston cavities, each piston cavity is internally provided with a piston capable of axially sliding, one end of each piston extends out of the piston cavity to be in rolling contact with the shell, the floating seat is provided with an axially extending air flow channel, one end of each air flow channel is communicated with the piston cavity, and the other end of each air flow channel is used for being connected with an external air source; When compressed gas is introduced into the gas flow channel, the piston is driven to axially slide so as to drive the floating ring to float relative to the guide ring. In one possible implementation manner, a floating air cavity is defined between the floating seat and the floating ring, the floating air cavity is communicated with the air flow channel, and the floating ring is provided with an annular channel along the circumferential direction, and the annular channel is used for communicating a plurality of piston cavities with the floating air cavity. In one possible implementation manner, the device further comprises an upper limit flange and an air pipe, wherein the upper limit flange is installed at one end of the shell, which is far away from the guide ring, and the upper limit flange is provided with an air inlet channel, an air inlet and an air outlet of the air inlet channel are respectively connected with an air inlet nozzle and a first ventilation joint, one end of the air flow channel, which is far away from the guide ring, is connected with a second ventilation joint, and two ends of the air pipe are respectively communicated with the first ventilation joint and the second ventilation joint, so that compressed air which is introduced into the air inlet channel is led to the air flow channel. In one possible implementation manner, an end of the housing, which is far away from the guide ring, is provided with a radially extending abutting portion, the abutting portion is arranged opposite to